I've done this quest, getting the Oghma Infinium, many times before-it's just not working now unless I'm having a brain-fart. I can't find Septimus anywhere. I think he came with me on some other important quest, but he's not there either! I have a ruined lexicon and an attunement sphere, but I don't think that has to even do with this, maybe the disappearance of Septimus? Help me find my lost Septimus please! It'd make a high elf pretty happy... >~<;

you probably confused him with neloth from the dragonborn DLC. i suppose they have simalarities, being crazy mages who did research on dwemer artifacts and some connection to hermaus mora. so i dont blame you